---------------------- multipart/alternative attachment I like to use the densest material available for either place. I think the "pear green" front rail punchings best fit the bill. Pre-compressing balance rail felt makes sense to me (I like medium punchings for this). >I am in the process of re-regualting a S&S M, where one of the main >problems was that the keys were too low, (they were almost touching >the front rail when depressed). I raised them all with cardboard and >paper punchings. > >As I was doing this, I got thinking about this question. Are there >any rules of thumb, or what is the general consensus, as to what >thickness the wool balance rail punching should be? Should we have >thick punchings with fewer paper/cardboard punchings, or thin >punchings with lots of paper/cardboard? I guess I could ask the same >for the front rail. Do we use thick felts and fewer cardboard, or >the other way around? Or does it make any difference? > >Wim -- Vince Mrykalo RPT MPT Senior Piano Technician Crane School of Music ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/5c/b1/19/f4/attachment.htm ---------------------- multipart/alternative attachment--
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